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https://git.dev.opencascade.org/repos/occt.git
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49f38e37fc
Implemented recursive POSIX mutex instead of non-recursive, Removed SentryNested class, implemented it's features into Sentry class Added second constructor to Sentry class
97 lines
3.0 KiB
C++
Executable File
97 lines
3.0 KiB
C++
Executable File
// Created on: 2006-04-13
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// Created by: Andrey BETENEV
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// Copyright (c) 2006-2012 OPEN CASCADE SAS
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//
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// The content of this file is subject to the Open CASCADE Technology Public
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// License Version 6.5 (the "License"). You may not use the content of this file
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// except in compliance with the License. Please obtain a copy of the License
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// at http://www.opencascade.org and read it completely before using this file.
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//
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// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
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// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
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//
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// The Original Code and all software distributed under the License is
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// distributed on an "AS IS" basis, without warranty of any kind, and the
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// Initial Developer hereby disclaims all such warranties, including without
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// limitation, any warranties of merchantability, fitness for a particular
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// purpose or non-infringement. Please see the License for the specific terms
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// and conditions governing the rights and limitations under the License.
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// On Windows, function TryEnterCriticalSection has appeared in Windows NT
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// and is surrounded by #ifdef in MS VC++ 7.1 headers.
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// Thus to use it we need to define appropriate macro saying that we wil
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// run on Windows NT 4.0 at least
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#if ((defined(_WIN32) || defined(__WIN32__)) && !defined(_WIN32_WINNT))
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#define _WIN32_WINNT 0x0400
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#endif
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#include <Standard_Mutex.hxx>
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#include <Standard_OStream.hxx>
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//=============================================
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// Standard_Mutex::Standard_Mutex
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//=============================================
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Standard_Mutex::Standard_Mutex ()
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{
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#if (defined(_WIN32) || defined(__WIN32__))
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InitializeCriticalSection (&myMutex);
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#else
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pthread_mutexattr_t anAttr;
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pthread_mutexattr_init (&anAttr);
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pthread_mutexattr_settype (&anAttr, PTHREAD_MUTEX_RECURSIVE);
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pthread_mutex_init (&myMutex, &anAttr);
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pthread_mutexattr_destroy (&anAttr);
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#endif
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}
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//=============================================
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// Standard_Mutex::~Standard_Mutex
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//=============================================
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Standard_Mutex::~Standard_Mutex ()
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{
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#if (defined(_WIN32) || defined(__WIN32__))
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DeleteCriticalSection (&myMutex);
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#else
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pthread_mutex_destroy (&myMutex);
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#endif
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}
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//=============================================
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// Standard_Mutex::Lock
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//=============================================
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void Standard_Mutex::Lock ()
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{
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#if (defined(_WIN32) || defined(__WIN32__))
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EnterCriticalSection (&myMutex);
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#else
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pthread_mutex_lock (&myMutex);
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#endif
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}
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//=============================================
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// Standard_Mutex::TryLock
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//=============================================
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Standard_Boolean Standard_Mutex::TryLock ()
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{
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#if (defined(_WIN32) || defined(__WIN32__))
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return (TryEnterCriticalSection (&myMutex) != 0);
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#else
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return (pthread_mutex_trylock (&myMutex) != EBUSY);
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#endif
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}
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//=============================================
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// Standard_Mutex::DestroyCallback
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//=============================================
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void Standard_Mutex::DestroyCallback ()
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{
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UnregisterCallback();
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Unlock();
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}
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